Dark Flow: Music inspired by galaxies rushing away to a remote point of this univserse by the graviational pull of… what exactly? (The scientific name used is ‘Dark Flow’, possibly caused by the graviational action of another universe on our own.)
Ambient Space Music - floating in your tin-can far above the moon, that sort of thing. There are no beats or drums or rhythms, just the flow and drift of the space winds. You get the idea.